Detector for percentage elongation after fracture of reinforcing steel bar

Abstract

The utility model discloses a steel bar after-fracture elongation detector, which relates to the field of steel bar detection and comprises a base, a mounting groove is formed in the top of the base, a detection component is movably mounted in the mounting groove, and a protection component is movably mounted at the top of the base. The detection assembly comprises a threaded rod movably installed in the installation groove, and a driving motor connected with the threaded rod is fixedly installed on the side face of the base. The driving motor is controlled to drive the threaded rod to rotate, the sliding base is driven to slide in the mounting groove, the sliding base drives the second fixing base to slide to stretch the reinforcing steel bars, and after the reinforcing steel bars are broken, the two sections of reinforcing steel bars are detached and clamped in the positioning frame; the driving motor is controlled to drive the threaded rod to rotate reversely to drive the second fixing seat to move inwards to abut against the outside of the reinforcing steel bar to push the reinforcing steel bar, so that the two reinforcing steel bars are located between the first fixing seat and the second fixing seat to be fastened and butted, the reinforcing steel bars are conveniently limited, spliced and fixed, and movement of the reinforcing steel bars is prevented from affecting measurement.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of steel bar detection, concretely relates to a steel bar post-rupture elongation tester. BACKGROUND

[0002] The steel bar post-rupture elongation tester is characterized in that the steel bar is a circular cross section, sometimes a square with rounded corners, and the elongation rate is measured by leaving a gauge mark on the surface of the steel bar, then placing the steel bar on the operating table after being pulled apart, and measuring the length of the gauge mark with a vernier caliper.

[0003] The existing steel bar post-rupture elongation detection equipment generally clamps the steel bar through a clamping structure, detects the post-rupture elongation after the steel bar is pulled apart, and the steel bar is a cylinder. Since the two ends of the steel bar after being pulled apart are uneven, it is inconvenient to splice and fix the steel bar, the steel bar is prone to rolling instability, the splicing is not tight, and the accuracy of the measurement data is affected. When the steel bar is pulled apart, the steel bar may break and splash, and the safety is low. SUMMARY

[0004] To solve the above technical problems, the utility model adopts the technical scheme of:

[0005] A steel bar post-rupture elongation tester, comprising a base, a mounting groove is formed in the top of the base, a detection assembly is movably installed in the inside of the mounting groove, a protection assembly is movably installed on the top of the base, the detection assembly comprises a threaded rod movably installed in the inside of the mounting groove, a driving motor connected with the threaded rod is fixedly installed on the side surface of the base, a sliding seat is movably installed on the outside of the threaded rod, a fixed seat one and a fixed seat two are fixedly installed on the top and the right side of the base and the top of the sliding seat respectively, a positioning frame located above the base is fixedly installed on the inside of the fixed seat one, a through opening is formed in the inside of the fixed seat two, the positioning frame passes through the inside of the through opening, a fixed opening is formed in the inside of the fixed seat one and the fixed seat two above, and a fixing mechanism is movably installed in the inside of the fixed opening.

[0006] The further improvement of the utility model technical scheme is that the protection assembly comprises a protective cover movably hinged to the back of the top of the base, the protective cover is arranged outside the detection assembly, a perspective window is fixedly installed on the front side of the protective cover, and a handle is fixedly installed on the front side below the protective cover.

[0007] The further improvement of the utility model technical scheme is that the cross section of the positioning frame is arranged in a "V" shape, and the positioning frame is movably clamped in the inside of the through opening.

[0008] The further improvement in the technical scheme of the utility model lies in that the fixing mechanism comprises the air cylinders fixedly installed on the front and back sides of the fixing seat one and the fixing seat two respectively, the sliding blocks are fixedly installed on the inner side of the air cylinders, the sliding blocks are movably clamped in the interiors of the fixing ports, and the antiskid pads are fixedly installed on the inner side of the sliding blocks.

[0009] The further improvement in the technical scheme of the utility model lies in that the fixing seat one and the fixing seat two are horizontally arranged.

[0010] The further improvement in the technical scheme of the utility model lies in that the length of the positioning frame is greater than the length of the installation groove.

[0011] The further improvement in the technical scheme of the utility model lies in that the alignment blocks are fixedly connected to the lower side of the front side of the protective cover, and the alignment grooves corresponding to the alignment blocks are formed in the front side of the base.

[0012] The further improvement in the technical scheme of the utility model lies in that the supporting frames are fixedly installed on the rear side of the base.

[0013] Thanks to the above technical scheme, the utility model has the following technical progress compared with the prior art:

[0014] 1、The steel bar post-breaking elongation detector provided by the utility model controls the driving motor to drive the threaded rod to rotate, drives the sliding seat to slide in the installation groove, drives the fixing seat two to slide through the sliding seat, stretches the steel bar, detaches the two steel bars after the steel bar breaks, clamps the two steel bars in the interiors of the positioning frames, controls the driving motor to drive the threaded rod to reverse, drives the fixing seat two to move and abut against the steel bar to push the steel bar, thereby fastening and butt-joint the two steel bars between the fixing seat one and the fixing seat two, limits and splices the steel bar, and avoids the activity of the steel bar from affecting the measurement.

[0015] 2、The steel bar post-breaking elongation detector provided by the utility model rotates the protective cover forward by holding the handle, clamps the protective cover on the top of the base, shades the detection assembly, plays a shielding role when the steel bar splashes, adopts the Pam board material with good strength through the perspective window, plays a protection role, and reduces the security risks. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the steel bar post-breaking elongation detector of the utility model;

[0017] Figure 2 It is a structural schematic view of the detection assembly of the utility model;

[0018] Figure 3 It is a structural schematic view of the fixing mechanism of the utility model;

[0019] Figure 4 It is a structural schematic view of the protection assembly of the utility model;

[0020] Figure 5 It is a structural schematic view of the support frame of the utility model.

[0021] In the figure: 1, base; 11, alignment slot; 2, mounting groove; 3, detection assembly; 31, threaded rod; 32, driving motor; 33, sliding seat; 34, fixed seat one; 35, fixed seat two; 36, through port; 37, positioning frame; 38, fixed port; 39, fixing mechanism; 391, air cylinder; 392, sliding block; 393, non-slip pad; 4, protection assembly; 41, protective cover; 42, perspective window; 43, alignment block; 44, handle; 45, support frame. DETAILED DESCRIPTION

[0022] The utility model will be further explained in detail as follows:

[0023] As Figures 1 to 5 shown, the utility model provides a kind of steel bar post-elongation rate detector, including base 1, the top of base 1 is equipped with mounting groove 2, detection assembly 3 is movably installed in the inside of mounting groove 2, the top of base 1 movably installs protection assembly 4, detection assembly 3 includes the threaded rod 31 movably installed in the inside of mounting groove 2, the side of base 1 is fixedly installed with the driving motor 32 connected with threaded rod 31, sliding seat 33 is movably installed outside threaded rod 31, fixed seat one 34 and fixed seat two 35 are respectively fixedly installed on the top and right side of base 1 and the top of sliding seat 33, the inside of fixed seat one 34 is fixedly installed with the positioning frame 37 located above base 1, through port 36 is equipped in the inside of fixed seat two 35, positioning frame 37 passes through the inside of through port 36, fixed port 38 is equipped in the inside of fixed seat one 34 and fixed seat two 35, and fixed mechanism 39 is movably installed in the inside of fixed port 38.

[0024] Steel bar is fixed in the inside of fixed seat one 34 and fixed seat two 35, threaded rod 31 is rotated by controlling driving motor 32, sliding seat 33 is driven to slide along mounting groove 2, fixed seat two 35 is driven to slide by sliding seat 33 to stretch steel bar, when steel bar breaks, two sections of steel bar are disassembled and clamped in the inside of positioning frame 37, threaded rod 31 is reversed by controlling driving motor 32 to drive fixed seat two 35 to move and abut on steel bar to push steel bar, so that two sections of steel bar are fixed and connected between fixed seat one 34 and fixed seat two 35, the limiting and splicing of steel bar are facilitated, and the activity of steel bar is avoided to affect measurement.

[0025] As Figure 4 and Figure 5As shown, the protection assembly 4 includes a protective cover 41 movably hinged to the top rear of the base 1, the protective cover 41 covers the outside of the detection assembly 3, the front side of the protective cover 41 is fixedly installed with a perspective window 42, and the front side of the protective cover 41 is fixedly installed with a handle 44.

[0026] By holding the handle 44 to rotate the protective cover 41 forward, the protective cover 41 is clamped on the top of the base 1, and the detection assembly 3 is shielded. The protective cover 41 plays a shielding role when the steel bar splashes, and the perspective window 42 made of plexiglass has good strength, thereby playing a protective role and reducing safety hazards.

[0027] As shown in Figure 2 , the positioning frame 37 is arranged in a "V" shape, and the positioning frame 37 is movably clamped in the through hole 36.

[0028] The positioning frame 37 arranged in a "V" shape is clamped in the through hole 36, so that the broken steel bar is placed in the positioning frame 37 to avoid rolling and facilitate splicing and fixing.

[0029] As shown in Figure 3 , the fixing mechanism 39 includes a cylinder 391 fixedly installed on the front and rear sides of the fixed seat one 34 and the fixed seat two 35, respectively, the inner side of the cylinder 391 is fixedly installed with a sliding block 392, the sliding block 392 is movably clamped in the fixed hole 38, and the inner side of the sliding block 392 is fixedly installed with an anti-skid pad 393.

[0030] The sliding block 392 is driven to move inward by controlling the cylinder 391, and the steel bar is clamped by the anti-skid pad 393 on the inner side of the sliding block 392, so that the steel bar is fixed in the fixed hole 38 opened in the fixed seat one 34 and the fixed seat two 35, and the fastening of the steel bar is ensured.

[0031] As shown in Figure 2 , the fixed seat one 34 and the fixed seat two 35 are arranged horizontally.

[0032] The fixed seat one 34 and the fixed seat two 35 are arranged horizontally, thereby ensuring that the positioning frame 37 is horizontal, and ensuring the accuracy of the steel bar stretching and splicing.

[0033] As shown in Figure 2 , the length of the positioning frame 37 is greater than the length of the installation groove 2.

[0034] The length of the positioning frame 37 is greater than the installation groove 2, so that the length of the positioning frame 37 exceeds the maximum stroke of the sliding seat 33, thereby ensuring that the detection of steel bars of different lengths can be adapted.

[0035] As shown in Figure 2 and Figure 4As shown, the lower side of the front side of the protective cover 41 is fixedly connected with an alignment block 43, and the front side of the base 1 is provided with an alignment slot 11 corresponding to the alignment block 43.

[0036] When the protective cover 41 is closed, the alignment block 43 is clamped into the alignment slot 11, thereby limiting the protective cover 41 and improving stability.

[0037] As shown, Figure 5 The rear side of the base 1 is fixedly installed with a support frame 45.

[0038] The support frame 45 is provided to support the protective cover 41 on the support frame 45 after the protective cover 41 is opened, thereby facilitating operation.

[0039] The working principle of the steel bar post-rupture elongation detector will be described below.

[0040] As shown, Figures 1 to 5 The steel bar is clamped by the anti-skid pad 393 on the inner side of the sliding block 392 after the steel bar is marked and arranged in the inside of the fixed seat one 34 and the fixed seat two 35 provided with the fixed port 38, then the steel bar is fixed in the inside of the fixed seat one 34 and the fixed seat two 35 by rotating the protective cover 41 forward by holding the handle 44, the alignment block 43 on the front side of the protective cover 41 is clamped into the alignment slot 11 for limiting, the detection assembly 3 is shielded, the fixed seat two 35 is driven to slide by rotating the threaded rod 31 driven by the driving motor 32, the fixed seat two 35 is driven to slide by the sliding seat 33, the steel bar is stretched, the two steel bars are disassembled from the fixed port 38 after the steel bar is broken, and the broken surfaces of the two steel bars are clamped in the inside of the positioning frame 37, the fixed seat two 35 is driven to slide inward by the sliding seat 33 driven by the reverse rotation of the threaded rod 31 driven by the driving motor 32, the steel bar is driven to slide inward by the fixed seat two 35 abutting against the outer side of the steel bar, thereby fastening and connecting the two steel bars between the fixed seat one 34 and the fixed seat two 35, then the vernier caliper is used for measurement.

[0041] The above has made a detailed description of the general description of the present application, but some modifications or improvements can be made on the basis of the present application, which is obvious to those skilled in the art. Therefore, without departing from the modification or improvement of the spirit of the present application, it is within the protection scope of the present application.

Claims

1. A steel bar post-elongation detector comprising a base (1), characterized in that: The top of the base (1) is provided with a mounting groove (2), the inside of the mounting groove (2) is movably provided with a detection assembly (3), and the top of the base (1) is movably provided with a protection assembly (4). The detection assembly (3) comprises a threaded rod (31) movably arranged in the mounting groove (2), the side of the base (1) is fixedly provided with a driving motor (32) connected with the threaded rod (31), the outside of the threaded rod (31) is movably provided with a sliding seat (33), the top and the right side of the base (1) and the top of the sliding seat (33) are respectively fixedly provided with a first fixing seat (34) and a second fixing seat (35), the inner side of the first fixing seat (34) is fixedly provided with a positioning frame (37) located above the base (1), the inside of the second fixing seat (35) is provided with a through hole (36), the positioning frame (37) passes through the inside of the through hole (36), the inside of the first fixing seat (34) and the second fixing seat (35) is respectively provided with a fixed hole (38), and the inside of the fixed hole (38) is movably provided with a fixing mechanism (39).

2. The steel bar post-elongation detector according to claim 1, characterized in that: The protection assembly (4) comprises a protection cover (41) movably connected to the top of the base (1), the protection cover (41) covers the outside of the detection assembly (3), the front side of the protection cover (41) is fixedly provided with a perspective window (42), and the front side of the protection cover (41) is fixedly provided with a handle (44).

3. The steel bar post-elongation detector according to claim 1, characterized in that: The positioning frame (37) is arranged in a "V" shape, and the positioning frame (37) is movably connected to the inside of the through hole (36).

4. The steel bar post-elongation detector according to claim 1, characterized in that: The fixing mechanism (39) comprises a gas cylinder (391) fixedly arranged on the front side and the rear side of the first fixing seat (34) and the second fixing seat (35) respectively, the inside of the gas cylinder (391) is fixedly provided with a sliding block (392), the sliding block (392) is movably connected to the inside of the fixed hole (38), and the inside of the sliding block (392) is fixedly provided with an anti-skid pad (393).

5. The steel bar post-elongation detector according to claim 1, characterized in that: The first fixing seat (34) and the second fixing seat (35) are arranged horizontally.

6. The steel bar post-elongation detector according to claim 1, characterized in that: The length of the positioning frame (37) is greater than the length of the mounting groove (2).

7. The steel bar post-elongation detector according to claim 2, characterized in that: The front side of the protection cover (41) is fixedly connected with a positioning block (43), and the front side of the base (1) is provided with a positioning groove (11) corresponding to the positioning block (43).

8. The reinforcing steel bar post-elongation detector according to claim 2, characterized in that: The rear side of the base (1) is fixedly provided with a supporting frame (45).

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